My Oracle Support Banner

Autosized Performance Schema Options in MySQL Server in MySQL 5.6 (Doc ID 1604225.1)

Last updated on MARCH 12, 2020

Applies to:

MySQL Server - Version 5.6 and later
Information in this document applies to any platform.

Purpose

The description of the options for configuring the Performance Schema specifies several of the default values as -1 (autosized). This documents describes how this autosizing of the Performance Schema options work and the implications of the autosizing.

Scope

Detailed guidance for DBAs seeking guidance of what influences the automatically determined values for Performance Schema options and what the consequences are.

Details

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Purpose
Scope
Details
 Autosized Performance Schema Options
 Determining the Size of the MySQL Instance
 Small Instance
 Medium Instance
 Large Instance
 Calculating the Default Values
 performance_schema_events_statements_history_long_size
 performance_schema_max_mutex_instances
 Implications of the Autosizing
References

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.